Rear shock absorber for a bicycle



FIG. 1 is a top front perspective view of a rear shock absorber for a bicycle;

FIG. 2 is a right side view of the rear shock absorber for a bicycle of FIG. 1;

FIG. 3 is a front view of the rear shock absorber for a bicycle of FIG. 1;

FIG. 4 is a left side view of the rear shock absorber for a bicycle of FIG. 1;

FIG. 5 is a rear view of the rear shock absorber for a bicycle of FIG. 1;

FIG. 6 is a bottom view of the rear shock absorber for a bicycle of FIG. 1; and,

FIG. 7 is a top view of the rear shock absorber for a bicycle of FIG. 1.

The broken lines illustrate portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a rear shock absorber for a bicycle, as shown and described. 